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Namenode does not start and generates no error messages - Hadoop - [mail # user]
...I am trying to run Hadoop as single-node cluster on OS X 10.7 (Lion), Hadoop 0.20.203. The namenode does not start and gives no indication of what is wrong.  starting namenode, logging ...
   Author: W.P. McNeill, 2011-12-11, 23:25
[expand - 2 more] - Re: Accessing Job counters displayed in WEB GUI in Hadoop Code - Hadoop - [mail # user]
...You can read counter values from the Job.getCounters API (http://hadoop.apache.org/common/docs/r0.20.1/api/org/apache/hadoop/mapreduce/Job.html). I'm not sure about the other information lik...
   Author: W.P. McNeill, 2011-12-11, 23:17
interested in contributing - HDFS - [mail # dev]
...I have never contributed to an open source project before (all development  has occurred in the private sector), but am interested in doing so.  I'm in terested in expanding the FS...
   Author: Nathan A Howard, 2011-12-11, 23:13
Re: Strange problem while scanning HBase table with PIG - HBase - [mail # user]
...On Sat, Dec 10, 2011 at 9:51 AM, Luis A. Sarmento  wrote:  Could this mapper have a massive record in it or be full of deletes, so many deletes, it takes > 60 seconds to travers...
   Author: Stack, 2011-12-11, 22:41
[expand - 1 more] - Re: The clusters can't provide services because Region can't flush. - HBase - [mail # dev]
...On Sun, Dec 11, 2011 at 4:34 AM, Gaojinchao  wrote:   I'm not sure I follow Jinchao.  All handlers are blocked because mem is full and we got into a situation where we can't f...
   Author: Stack, 2011-12-11, 22:32
[expand - 2 more] - Re: Aggregations in HBase - HBase - [mail # user]
...On Sun, Dec 11, 2011 at 11:56 AM, Suraj Varma  wrote:  What Suraj said.  Look in the coprocessor package.  There are some primitives that may be of use to you that alread...
   Author: Stack, 2011-12-11, 22:28
[CHUKWA-522] Add HICC User guide - Chukwa - [issue]
...HICC user guides should cover the basic three sections. The general user interface, and working model. Developer friendly API, and usage. Deployment instructions should remain in Admin guide...
http://issues.apache.org/jira/browse/CHUKWA-522    Author: Eric Yang, 2011-12-11, 21:59
Re: Hive Reducers hanging - interesting problem - skew ? - Hive - [mail # user]
...Hi jS, Sorry about the delayed response. Did you make any progress?  Based on my understanding, you are right. If you have 2 big collections of records being processed in Stage 2, map j...
   Author: Mark Grover, 2011-12-11, 21:53
[CASSANDRA-3585] Intermittent exceptions seen in cassandra 1.0.5 during Reads. - Cassandra - [issue]
...In my test setup I have cassandra db provisioned with cassandra 0.8.7. The setup is of two data centers. I have upgraded the cassandra to the latest version 1.0.5. I'm seeing following excep...
http://issues.apache.org/jira/browse/CASSANDRA-3585    Author: Shantanu, 2011-12-11, 21:19
[expand - 2 more] - Re: major compaction and regionserver failure... - HBase - [mail # user]
...Andy,  Some detail on the current compaction algorithm.  Major compactions can be triggered in 3 ways:  1) User requested : e.g. From the shell 2) Size based : compact when fi...
   Author: Nicolas Spiegelberg, 2011-12-11, 20:46
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB